20000555500005 has 32 divisors (see below), whose sum is σ = 35566568361600. Its totient is φ = 10663955358336.

The previous prime is 20000555499937. The next prime is 20000555500031. The reversal of 20000555500005 is 50000555500002.

It is a happy number.

It is not a de Polignac number, because 20000555500005 - 2¹² = 20000555495909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20405320 + ... + 21363009.

It is an arithmetic number, because the mean of its divisors is an integer number (1111455261300).

Almost surely, 2^{20000555500005} is an apocalyptic number.

It is an amenable number.

20000555500005 is a deficient number, since it is larger than the sum of its proper divisors (15566012861595).

20000555500005 is a wasteful number, since it uses less digits than its factorization.

20000555500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41771890 (or 41771884 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The spelling of 20000555500005 in words is "twenty trillion, five hundred fifty-five million, five hundred thousand, five".